Marigolds are a good plant to use as a companion plant around tomatoes. Marigolds chase away nematodes, tomato worms and other garden insect pests. Other companion plants to use are basil, bee balm, chives, mint and borage.
About this Author
Karen Carter has spent the last three years working as a technology specialist in the public school system. This position included hardware/software installation, customer support, and writing training manuals. She also spent four years as a newspaper editor/reporter at the Willapa Harbor Herald.